The following video is part of our "Motley Fool Conversations" series, in which financial and economics sector head Ilan Moscovitz and consumer goods editor/analyst Austin Smith discuss topics across the investing world.

Mortgage REITs are incredibly popular with dividend investors. That's because low short-term interest rates have driven their cost of funding to a low point. But even with short-term rates near zero, long-term rates are continuing to fall. This could have implications for mortgage REITs' profitability -- and dividends.

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